Walker wheel

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Description

FIG. 1 is a top right front perspective view of a walker wheel showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
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5816593 October 6, 1998 Che
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Other references
  • Pp. 3, 4 and 5, Walker wheels; Invacare Corporation, 899 Cleveland Street, Elyria, Ohio 44036-4028. Publication date Feb., 1996. Pp. 3, 4, 5 and 6, Walker wheels; Tubular Fabricators Industry, Inc., 600 West Wythe Street, Petersburg, Virginia 23803. Published at least as early as Nov., 1997., Pp. 1, 2, 3, 4, 5 and 6, Walker wheels; Guardian Products Inc., 4175 Guardian Street, Simi Valley, California 93063. Publication date 1996. P. 27, Walker wheels; Rubbermaid Commercial Products Inc., 3124 Valley Avenue, Winchester, Virginia 22601. Publication date 1997.
Patent History
Patent number: D420945
Type: Grant
Filed: Nov 3, 1998
Date of Patent: Feb 22, 2000
Assignee: Rubbermaid Commercial Products LLC (Winchester, VA)
Inventors: David M. Dobersztyn (Stephens City, VA), Joel Wittkamp (Raleigh, NC)
Primary Examiner: Kay H. Chin
Attorney: Richard B. O'Planick
Application Number: 0/96,025
Classifications
Current U.S. Class: Element Or Attachment (D12/133); D8/375
International Classification: 1212;